| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Hegel to Heigei ISBN: 4062084112 | 978-4-06-208411-6 | 1997 | |
| Jinsei Wa Yukai Da | 978-4-620-31915-5 | 2008 | |
| On!: Haniya Yutaka to no keijijo taiwa | 978-4-06-207715-6 | 1995 | |
| Philosophical Texts to Consider the Age of 14 | 978-4-901510-14-1 | 2003 | |
| Shi Towa Nanika: Sate Shinda Nowa Dare Nanoka | 978-4-620-31927-8 | 2009 | Watakushi Tsumari Nobody. |
| Tamashii towa nanika: Sate shinda no wa darenanoka | 978-4-901510-73-8 | 2009 | " |
| Wachifield = Dayan to tashiru no oji | 978-4-12-205066-2 | 2008 | |
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